Circle with Area 490.3989 Square Inches

Instant diameter calculation and visualization

Diameter

24.9879 inches

Radius

12.494 inches

Circumference

78.5018 inches

Area

490.3989 in²

How to Calculate Circle Diameter from Area

Step-by-Step Solution

Start with the circle area formula: A = πr²
Solve for radius: r = √(A/π)
Calculate diameter: d = 2r


                            r = √(490.3989/π) = 12.494 inches

                            d = 2 × 12.494 = 24.9879 inches

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